R-stud is 2012 IBC Compliant and meets or exceeds CCRR, E119 & STC testing. R-stud is Interchangeable with conventional framing components. Since R-stud has large pass through openings every foot with a supplemental flange, it is stronger than conventional steel studs & uses less raw material. The openings allow for the ease of utilities to be installed. R-stud creates obvious benefits in labor, material control and scheduling.